Finding the Fourth Proportional to 1,974,448.14, 2,961,672.21 and 478,540.14
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Solution
The fourth proportional to 1,974,448.14, 2,961,672.21 and 478,540.14 is: 717,810.21
Step by Step Solution
- Step 1: Write the proportion equation
1,974,448.14 : 2,961,672.21 = 478,540.14 : x - Step 2: Convert to fraction form
1,974,448.14/2,961,672.21 = 478,540.14/x - Step 3: Cross multiply
1,974,448.14x = 2,961,672.21 × 478,540.14 - Step 4: Simplify right side
1,974,448.14x = 1,417,279,034,007.51 - Step 5: Solve for x
x = 1,417,279,034,007.51/1,974,448.14 - Step 6: Final answer
x = 717,810.21
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.